package tree;

/**
 * @ Author     ：侯耀祖
 * @ Description：
 */
public class insertIntoBST {
    public TreeNode insertIntoBST(TreeNode root, int val) {
        if (root == null){
            return new TreeNode(val);
        }
        if (root.val > val){
            root.left = insertIntoBST(root.left, val);
        }
        if (root.val < val){
            root.right = insertIntoBST(root.right, val);
        }
        return root;
    }
}
